# A189374 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 7 4 11 5 15 6 25 7 35 8 45 9 65 10 85 11 105 12 140 13 175 14 210 15 266 16 322 17 378 18 462 19 546 20 630 21 750 22 870 23 990 24 1155 25 1320 26 1485 27 1705 28 1925 29 2145 30 2431 31 2717 32 3003 33 3367 34 3731 35 4095 36 4550 37 5005 38 5460 39 6020 40 6580 41 7140 42 7820